There are
1,071 mi
from Dubuque, IA to Harker Heights, TX
That's the driving distance. It would take 19 hours 5 mins to go from Dubuque, Iowa to Harker Heights, Texas.
The flight distance (direct flight from Dubuque, IA to Harker Heights, TX) is 877.89 mi.
1,071 mi = 1,723.55 kms